// Copyright 2023 The Casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import { FileSystem, getDefaultFileSystem, setDefaultFileSystem } from '../../src';

test('get an set the default system', async () => {
  let fs = getDefaultFileSystem();
  expect(fs).toBeUndefined();
  const defaultFileSystem: FileSystem = {
    readFileSync(path: string, encoding?: string): Buffer {
      // noop
      return Buffer.of();
    },
    writeFileSync(path: string, text: string, encoding?: string) {
      // noop
      return;
    },
  };
  setDefaultFileSystem(defaultFileSystem);

  fs = getDefaultFileSystem();
  expect(fs).toEqual(defaultFileSystem);
});
